A. Clayton
- Characteristics of large truck–trailer combinations operating on Manitoba's primary highways: 1974–1984. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 13, n. 6 (décembre 1986). (1986):
- Truck weights as a function of regulatory limits. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 17, n. 1 (février 1990). (1990):